Amorphous Materials Inc is a source of IR materials or (IR glass) which is used as optical materials for night vision (FLIR) systems. The word "amorphous" is used to indicate the non-crystalline nature of the IR glass. AMTIR is the acronym for amorphous material transmitting IR radiation. Manufacture infrared optical materials including AMTIR-1, AMTIR-3, arsenic trisulfide, gallium arsenide, float-zoned silicon, IR fibers and IR sensor lenses